5.what is the difference between six thousand four hundred and nie and one thousand
nine and thousand nine hundred ?
6. Multiply five hundred and ninety-seven by fourteen.
7. Divide the sum 17.m. 46. cm. and 5 m. 75 cm. by 11.
8. What will be the remainder when 1,276 is divided by 27?
9.if the distance round the track is 18km 320m,how long would it be by going round it 20 times?
一定要答,否則檢舉